Home / 40,147.04-55,406.04-22,243.70

Finding the Fourth Proportional to 40,147.04, 55,406.04 and 22,243.70

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Solution

The fourth proportional to 40,147.04, 55,406.04 and 22,243.70 is: 30,698.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,147.04 : 55,406.04 = 22,243.70 : x
  2. Step 2: Convert to fraction form
    40,147.04/55,406.04 = 22,243.70/x
  3. Step 3: Cross multiply
    40,147.04x = 55,406.04 × 22,243.70
  4. Step 4: Simplify right side
    40,147.04x = 1,232,435,331.95
  5. Step 5: Solve for x
    x = 1,232,435,331.95/40,147.04
  6. Step 6: Final answer
    x = 30,698.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.